The file 'Metal Rack Adapter – Clear Solo Cup Side Mount 3D Printer Model' is (stl) file type, size is 10.1KB.
I use this to germinate cuttings off the side of my metal storage rack. You could also use it to hold screws or something similar but the cups are just the clear walmart brand solo cups.
Clear_solo_cup_mount_v1.stl | 41.1KB |